Contributed by Gordon Giles
A firewall can be in the form of hardware, software or a combination of the two. It is basically used to prevent, block, and keep out unwanted intruders from entering a network. This applies to a home, small business, or a large corporation network. A firewall monitors all of the incoming and outgoing traffic from a personal computer or a local area network. The majority of people ar enot afraid of the Internet connection being hacked by an outsider. The chances of suffering from some type of Internet hack are on the rise, especially when connected to the Internet using a cable modem or some type of broadband service.
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